Table of Contents

1 Features............................................................................1

2 Applications..................................................................... 1

3 Description.......................................................................1

4 Revision History.............................................................. 2

5 Device Comparison Table...............................................4

6 Pin Configuration and Functions...................................5

7 Specifications.................................................................. 6

7.1 Absolute Maximum Ratings........................................ 6

7.2 ESD Ratings............................................................... 6

7.3 Recommended Operating Conditions.........................6

7.4 Thermal Information....................................................6

7.5 REF7012 Electrical Characteristics............................ 7

7.6 REF7025 Electrical Characteristics............................ 8

7.7 REF7030 Electrical Characteristics............................ 9

7.8 REF7033 Electrical Characteristics.......................... 10

7.9 REF7040 Electrical Characteristics...........................11

7.10 REF7050 Electrical Characteristics........................ 12

7.11 Typical Characteristics............................................ 14

8 Parameter Measurement Information.......................... 19

8.1 Solder Heat Shift.......................................................19

8.2 Long-Term Stability................................................... 20

8.3 Thermal Hysteresis................................................... 20

8.4 Noise Performance................................................... 21

8.5 Temperature Drift...................................................... 24

8.6 Power Dissipation..................................................... 24

9 Detailed Description......................................................25

9.1 Overview................................................................... 25

9.2 Functional Block Diagram......................................... 25

9.3 Feature Description...................................................25

9.4 Device Functional Modes..........................................25

10 Application and Implementation................................ 27

10.1 Application Information........................................... 27

10.2 Typical Applications................................................ 27

10.3 Power Supply Recommendation.............................32

10.4 Layout..................................................................... 32

11 Device and Documentation Support..........................34

11.1 Documentation Support.......................................... 34

11.2 Receiving Notification of Documentation Updates.. 34

11.3 Support Resources................................................. 34

11.4 Trademarks............................................................. 34

11.5 Electrostatic Discharge Caution.............................. 34

11.6 Glossary.................................................................. 34

12 Mechanical, Packaging, and Orderable

Information.................................................................... 34

4 Revision History

NOTE: Page numbers for previous revisions may differ from page numbers in the current version.

Changes from Revision F (March 2023) to Revision G (September 2023)

Page

• Update table to highlight REF7025 and REF7040 release in VSSOP package................................................. 4

• Added performance parameters for VSSOP package........................................................................................8

• Added performance parameters for VSSOP package...................................................................................... 11

• Changed Figure 7-25 to longer duration (10000 hours)................................................................................... 14

• Added Figure 7-27 ........................................................................................................................................... 14

• Changed Figure 8-4 and Figure 8-4, to longer duration (10000 hours)............................................................ 20

• Changed Figure 8-10, to highlight performance at different supply voltages................................................... 21

• Changed minimum ESR value from 10 mΩ to 1 mΩ........................................................................................ 25

• Changed minimum ESR value from 10 mΩ to 1 mΩ........................................................................................28

Changes from Revision E (July 2022) to Revision F (March 2023)

Page

• Add line break to voltage options feature to improve readability........................................................................ 1

• Removed VSSOP package preview footnote.....................................................................................................1

• Added footnote to indicate VSSOP package preview material...........................................................................4

• Added performance parameters for VSSOP package........................................................................................7

• Added performance graphs for VSSOP package devices................................................................................14

• Added solder shift histogram for VSSOP package........................................................................................... 19

• Added long term stability details for VSSOP package......................................................................................20

• Added thermal hysteresis details for VSSOP package.....................................................................................20

• Added layout details for VSSOP package........................................................................................................ 33

Changes from Revision D (November 2021) to Revision E (July 2022)

Page

• Updated Long-term Stability feature text based on documentation feedback and updated number from 28

ppm to 35 ppm based on additional tests conducted......................................................................................... 1

REF70

SNAS781G – OCTOBER 2020 – REVISED SEPTEMBER 2023

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